The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 06, 1981
Filed:
Nov. 08, 1979
Applicant:
Inventors:
Charles A Drake, Bartlesville, OK (US);
Timothy P Murtha, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564491 ; 2524 / ; 252472 ; 260690 ;
Abstract
Cobalt and gold in a ruthenium hydrogenation catalyst markedly increases the yield of product. A method for hydrogenating branched-chain olefinically unsaturated aliphatic dinitrile employing a ruthenium-cobalt-gold catalyst to produce saturated diamines is set forth.